12399657460848 has 320 divisors, whose sum is σ = 44941400709120. Its totient is φ = 3189389119488.

The previous prime is 12399657460807. The next prime is 12399657460867. The reversal of 12399657460848 is 84806475699321.

12399657460848 is a `hidden beast` number, since 1 + 2 + 3 + 9 + 9 + 6 + 5 + 7 + 4 + 608 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4061115 + ... + 6425882.

It is an arithmetic number, because the mean of its divisors is an integer number (140441877216).

It is a 1-persistent number, because it is pandigital, but 2⋅12399657460848 = 24799314921696 is not.

Almost surely, 2^{12399657460848} is an apocalyptic number.

12399657460848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12399657460848 is an abundant number, since it is smaller than the sum of its proper divisors (32541743248272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12399657460848 is a wasteful number, since it uses less digits than its factorization.

12399657460848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487061 (or 10487049 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 72.

The spelling of 12399657460848 in words is "twelve trillion, three hundred ninety-nine billion, six hundred fifty-seven million, four hundred sixty thousand, eight hundred forty-eight".